After ceasing to take Lipitor, it typically takes a few days for its effects to wear off. However, the length of time can vary depending on several factors such as the dosage, the individual's metabolism, and the condition being treated [1].

Lipitor, also known as atorvastatin, is a type of drug called a statin, which is used to lower cholesterol levels in the blood [1]. Once a person stops taking Lipitor, their body will gradually eliminate the remaining medication through natural processes, primarily through the liver [2].

It's important to note that even after the effects of Lipitor have worn off, cholesterol levels may still be lower than they were before starting the medication due to the drug's long-term effects on the body's cholesterol production [3].

However, if a person stops taking Lipitor, it's crucial that they consult with their healthcare provider about alternative methods to manage their cholesterol levels [1]. Suddenly stopping a medication like Lipitor can lead to a rebound effect, where cholesterol levels may increase significantly [3].

In conclusion, while the effects of Lipitor typically wear off within a few days after stopping the medication, the length of time can vary. It's essential to consult with a healthcare provider before stopping any medication, as sudden discontinuation can lead to adverse effects.

Sources:
[1] <https://www.drugs.com/lipitor.html>
[2] <https://www.webmd.com/cholesterol-management/lipitor-atorvastatin-oral/dd-202692>
[3] <https://www.drugpatentwatch.com/generic-competitors-lipitor-atorvastatin-pfizer-inc-fda-approval-date-november-30-2011>